She was complaining that the doctor _______________ (收费起过了正常费用) for the treatment.

A．They had a better time than the other guests of the party.
B．They didn’t enjoy the party because they didn’t like the food and drinks provided by the hostess.
C．They enjoyed the party very much because the hostess was very friendly.
D．They didn’t enjoy the party very much because they didn’t know the other guests.